538673157632 has 160 divisors (see below), whose sum is σ = 1125557959680. Its totient is φ = 257255792640.

The previous prime is 538673157613. The next prime is 538673157689. The reversal of 538673157632 is 236751376835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711588998 + ... + 711589754.

It is an arithmetic number, because the mean of its divisors is an integer number (7034737248).

Almost surely, 2^538673157632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538673157632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562778979840).

538673157632 is an abundant number, since it is smaller than the sum of its proper divisors (586884802048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538673157632 is a wasteful number, since it uses less digits than its factorization.

538673157632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1316 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 56.

The spelling of 538673157632 in words is "five hundred thirty-eight billion, six hundred seventy-three million, one hundred fifty-seven thousand, six hundred thirty-two".